UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YeNlT3hAGni0J6UtpqKCuibr7noLlHyB9jThdvlbO/o=' 
WHERE 
  key_id = '792e2d4de437f57d96680192746ea34a82224899de6551bb6d136b884e80a833' 
  AND (
    token = 'YeNlT3hAGni0J6UtpqKCuibr7noLlHyB9jThdvlbO/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045